命中率，击中率
1. 命中率：总共有8个分页表,所以需要3个位元,分页补偿(offset)需要2个位元,要解决这样的问题,可以将分页表放哉一种称为关联式记忆体(associative memory)的小型记忆体中,他也可以称为位址查询缓冲(Translation Look-aside Buffer,TLB)命中率(hit ratio)的定义为[命中次数
2. 命中率;适配率：hit 命中 | hit ratio 命中率;适配率 | hold 保留;保存
1. Wangfujing Department Store Group has established 11 chain stores nationwide, and the investment return ratio of its outlet in Guangzhou has hit 100 per cent.
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2. Hungary has been severely hit by the financial crisis and economic recession since 2008 and has a high fiscal deficit and public debt ratio.
3. And banks in areas hit by the devastating May 12 earthquake will have their ratio cut by 2 percentage points.
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4. The reserve requirement ratio was reduced by 2 percentage points for local financing institutions in areas badly hit by the May 12 earthquake.
5. Repeated interest rate and bank reserve deposit ratio hikes have raised fears mainland bank profits will take a hit.